Rep. Cisneros Buys Miami International Stock

The Democratic congressman disclosed a recent purchase of $15,001 to $50,000 in MIAX shares.

Apr. 10, 2026 at 12:12am

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Representative Gilbert Ray Cisneros, Jr. (Democratic-California) recently bought shares of Miami International Holdings, Inc. (NYSE:MIAX). In a filing disclosed on April 07th, the Representative disclosed that they had bought between $15,001 and $50,000 in Miami International stock on March 20th. The trade occurred in the Representative's '150 MAIN STREET TRUST > WELLS FARGO ADVISORS' account.

Why it matters

As a member of Congress, Representative Cisneros' stock trades are subject to public disclosure and scrutiny. This purchase of MIAX shares could signal the Congressman's views on the exchange operator's future prospects.

The details

According to the filing, Representative Cisneros bought the MIAX shares on March 20th. Miami International Holdings, Inc. is a U.S. exchange holding company that operates electronic trading venues and provides market infrastructure for listed options and related products.

  • Representative Cisneros disclosed the stock purchase on April 7th, 2026.
  • The trade occurred on March 20th, 2026.

The players

Representative Gilbert Ray Cisneros, Jr.

A Democratic member of the U.S. House of Representatives, representing California's 31st Congressional District. Cisneros is running for re-election in 2026.

Miami International Holdings, Inc.

A U.S. exchange holding company that operates electronic trading venues and provides market infrastructure for listed options and related products.

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What’s next

The details of Representative Cisneros' stock trade will likely be scrutinized by the public and the media, as members of Congress are required to disclose their financial transactions.

The takeaway

This purchase of MIAX shares by a sitting Congressman highlights the importance of transparency around elected officials' financial activities and the potential influence they may have on the markets.